001/* 002 * This file is part of the Jikes RVM project (http://jikesrvm.org). 003 * 004 * This file is licensed to You under the Eclipse Public License (EPL); 005 * You may not use this file except in compliance with the License. You 006 * may obtain a copy of the License at 007 * 008 * http://www.opensource.org/licenses/eclipse-1.0.php 009 * 010 * See the COPYRIGHT.txt file distributed with this work for information 011 * regarding copyright ownership. 012 */ 013package org.mmtk.plan.refcount; 014 015import org.mmtk.utility.deque.*; 016 017import org.vmmagic.pragma.*; 018import org.vmmagic.unboxed.*; 019 020/** 021 * This class implements a dec-buffer for a reference counting collector 022 * 023 * @see org.mmtk.plan.TransitiveClosure 024 */ 025@Uninterruptible 026public final class RCDecBuffer extends ObjectReferenceBuffer { 027 /**************************************************************************** 028 * 029 * Initialization 030 */ 031 032 /** 033 * Constructor 034 * 035 * @param queue The shared deque that is used. 036 */ 037 public RCDecBuffer(SharedDeque queue) { 038 super("dec", queue); 039 } 040 041 @Override 042 @Inline 043 protected void process(ObjectReference object) { 044 if (RCBase.isRCObject(object)) { 045 push(object); 046 } 047 } 048}